pastel? is that a series, or do u mean works done in pastel? i got a few pastel "paint" .jpegs if that's what u mean (actualy, "water-colours", but meh) feel free 2 ignore
Yes pastel has a manga, or at least there is a manga with that name it has more than 18 volumes (still going on), you can download it from mangatraders, for what I know it is still unlicensed.